Bike Fit Basics

Starting-point recommendations for crank arm length and handlebar width based on your body measurements.

Crank length is measured from the pedal axle center to the bottom bracket center. Most bikes ship with 170–175 mm.

Crank length chart
InseamCrank
≤ 72 cm / ≤ 28.3"165 mm
73–75 cm / 28.7–29.5"167.5 mm
76–79 cm / 29.9–31.1"170 mm
80–83 cm / 31.5–32.7"172.5 mm
84–87 cm / 33.1–34.3"175 mm
88–91 cm / 34.6–35.8"177.5 mm
≥ 92 cm / ≥ 36.2"180 mm